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Table 4 OPSAT-Q™ Internal Consistency Reliability at Baseline (Cronbach's Alpha) and Reproducibility (N = 103)

From: Psychometric evaluation of the Osteoporosis Patient Treatment Satisfaction Questionnaire (OPSAT-Q™), a novel measure to assess satisfaction with bisphosphonate treatment in postmenopausal women

Scale

Number of Items

Cronbach's alpha

ICCa

Convenience

6

0.89

0.72

Daily Activities

2

0.84

0.62

Overall Satisfaction

2

0.87

0.64

Side Effects

6

0.72

0.79

Composite Satisfaction Score

16

0.87

0.81

  1. aIntra-class correlations between baseline and follow-up visit among stable patients.